Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
nhanh hai » nhanh thai, thanh hai, nhanh ha
va nhanh » va thanh, va hanh, va nhan
tang ma » mang may, tang van
cua tre » cuu tre, cua triet, dua tren
hieu ve » hieu va, hieu van
cham lo » cham o, cham soc, cham hoi
cua te » cua tu
cam lo » nam lo, cam ly, cam o
y tang » ky tang, 6 tang, 7 tang
ma hoi » mai hoi, xa hoi, ma hoa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach y tang ma hoi. hieu ve ((cham lo) or (cam lo)) va nhanh hai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach y tang ma hoi. hieu ve ((cham lo) OR (cam lo)) va nhanh hai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: thuoc sach y tang ma hoi. hieu ve ((cham lo) or (cam lo)) va nhanh hai ((cua tre) or (cua te))*.